Programming Languages can have Dialects - An introduction to the ML dialect at Frozen North Linux Online. - http://npt.cc.rsu.ru/user/wanderer/ODP/REBOL_RMAIL/REBOL%20ml%20Dialect.htm
Draw Dialect - The Draw Dialect adds low level graphics to REBOL/View. - http://www.rebol.com/docs/draw.html
Flash Dialect - Simple to use REBOL/dialect to generate Flash files. Examples. - http://oldes.multimedia.cz/swf/
SVG Dialect - The developing SVG dialect at CompKarori. - http://www.compkarori.com/vanilla/display/SVG+Dialect